4182991 has 2 divisors, whose sum is σ = 4182992. Its totient is φ = 4182990.

The previous prime is 4182979. The next prime is 4183001. The reversal of 4182991 is 1992814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4182991 - 2⁷ = 4182863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4182691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2091495 + 2091496.

It is an arithmetic number, because the mean of its divisors is an integer number (2091496).

Almost surely, 2^4182991 is an apocalyptic number.

4182991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4182991 is an equidigital number, since it uses as much as digits as its factorization.

4182991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 34.

The square root of 4182991 is about 2045.2361721816. The cubic root of 4182991 is about 161.1247698642.

The spelling of 4182991 in words is "four million, one hundred eighty-two thousand, nine hundred ninety-one".